Use the law of Cosines to solve the given triangle. Round your answer to two decimal places.
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a = 14, b = 7, C = 118°
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A. A ? 42.33°, B ? 19.67°, c ? 18.36
B. A ? 17.67°, B ? 17.67°, c ? 7
C. A ? 44.33°, B ? 44.33°, c ? 7
D. A ? 17.67°, B ? 18.36°, c ? 18.36
E. A ? 44.33°, B ? 17.67°, c ? 7
Answer: A
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Provide an appropriate response.Solve the equation: 6 = 9x - x
A. x = 
B. x = 
C. x = 
D. x = 
Solve the system mentally, without the use of a calculator or pencil-and-paper calculation. Try to visualize the graphs of both lines.x + 0y = 90x + y = 4
A. x = 9; y = 4
B. x = 4; y = 9
C. x = 9; y = 2
D. x = 2; y = 
Graph the function using transformations.f(x) = 
- 2
A. 
B. 
C. 
D. 
Solve the system by substitution. If the system is inconsistent or dependent, say so.
A. (6, 2) B. (2, 0) C. infinite number of solutions of the equation 2x + y = 7; dependent system D. empty set solution; inconsistent system